622568 has 16 divisors (see below), whose sum is σ = 1188000. Its totient is φ = 305776.

The previous prime is 622561. The next prime is 622571. The reversal of 622568 is 865226.

It is a self number, because there is not a number n which added to its sum of digits gives 622568.

It is not an unprimeable number, because it can be changed into a prime (622561) by changing a digit.

622568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (74250).

2⁶²²⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

622568 is a deficient number, since it is larger than the sum of its proper divisors (565432).

622568 is a wasteful number, since it uses less digits than its factorization.

622568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1380 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 622568 is about 789.0297839752. The cubic root of 622568 is about 85.3877555404.

The spelling of 622568 in words is "six hundred twenty-two thousand, five hundred sixty-eight".